package com.example.lenovo.myapplication;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;


public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button = (Button)findViewById(R.id.button);
        Button button2 = (Button)findViewById(R.id.button2);
        final ProgressBar progressBar = (ProgressBar)findViewById(R.id.progressBar);
        final ProgressBar progressBar2 = (ProgressBar)findViewById(R.id.progressBar2);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(v.getId()==R.id.button){
                    int pro = progressBar.getProgress();
                    pro += 20;
                    progressBar.setProgress(pro);
                }
            }
        });
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(v.getId()==R.id.button2){
                    if(progressBar2.getVisibility()==View.GONE){
                        progressBar2.setProgress(View.VISIBLE);
                    }else{
                        progressBar2.setProgress(View.GONE);
                    }
                }
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}
